BLE Received Text is odd

MIT App Inventor Help
1

Hello
I have a simple BLE Application and it works fine.

blocks
blocks844×282 35.3 KB
What I receive is odd. I Transmit Hello and the Result will be ["Hello"] so the MIT Inventor adds [" "]

But what could this be, any Idea

2

To understand that it is a text or String. :confused:I think.

3

Hello and thank you
I solved the Problem like this but it's not perfect
What is "Hello" Text right what else ?

blocks (1)
blocks (1)1008×406 42 KB

4

stringValues ( list ) — A list of values read from the device.

As above, so use list blocks to access the data. If you have ["Hello"] being returned then:

image

1 Like
5

Thank you TIMA12, but hat is not what I meant, Why the received Message is encapsulated with brackets

6

Because the component receives a list of bytes. You can use different blocks to extract data from a list or convert the list to a plain string.